Making Life Easier

Why do a task the hard way, when a little bit of thought can save you a lot of time? Here's a chance to find some efficient methods to solve some tricky problems.

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Heavy Pockets

In a world with just pennies, your purse or pockets would be very heavy. Two-coin systems make life much easier... Which coins would you choose?

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Lightening the Load

If you wanted to design an efficient currency system, which coin denominations would you choose?

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Dropping Eggs

Can you design a good strategy for finding out from which floor you can drop an egg without it smashing?

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Is Greed Good?

Find out all about greedy algorithms in this short article.